package Filtro;

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 * Servlet Filter implementation class FiltroPerfil
 */
public class FiltroPerfil implements Filter {

    /**
     * Default constructor. 
     */
    public FiltroPerfil() {
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see Filter#destroy()
	 */
	public void destroy() {
		// TODO Auto-generated method stub
	}

	/**
	 * @see Filter#doFilter(ServletRequest, ServletResponse, FilterChain)
	 */
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {

		HttpServletRequest requisicao = (HttpServletRequest) request;
		HttpServletResponse  resposta = (HttpServletResponse) response;
		HttpSession sessao = requisicao.getSession();
		
		if(sessao!= null){
			if (sessao.getAttribute("logado") != null){
				chain.doFilter (request, response);
				
			}
			else
				resposta.sendError(HttpServletResponse.SC_FORBIDDEN);
		}
			else
				resposta.sendError(HttpServletResponse.SC_FORBIDDEN);

		chain.doFilter(request, response);
	}

	/**
	 * @see Filter#init(FilterConfig)
	 */
	public void init(FilterConfig fConfig) throws ServletException {
		// TODO Auto-generated method stub
	}

}
